The patch titled
Subject: Re: zram: Introduce recompress sysfs knob
has been added to the -mm mm-unstable branch. Its filename is
zram-introduce-recompress-sysfs-knob-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/zram-introduce-recompress-sysfs-knob-fix.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
Subject: Re: zram: Introduce recompress sysfs knob
Date: Tue, 18 Oct 2022 11:42:39 +0900
A fixup patch: update Kconfig description and tweak coding styles.
Link: https://lkml.kernel.org/r/Y04Sn50kt5qLxpbK@xxxxxxxxxx
Signed-off-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/block/zram/Kconfig | 3 +++
drivers/block/zram/zram_drv.c | 7 ++-----
2 files changed, 5 insertions(+), 5 deletions(-)
--- a/drivers/block/zram/Kconfig~zram-introduce-recompress-sysfs-knob-fix
+++ a/drivers/block/zram/Kconfig
@@ -90,3 +90,6 @@ config ZRAM_MULTI_COMP
echo TIMEOUT > /sys/block/zramX/idle
echo SIZE > /sys/block/zramX/recompress
+
+ SIZE (in bytes) parameter sets the object size watermark: idle
+ objects that are of a smaller size will not get recompressed.
--- a/drivers/block/zram/zram_drv.c~zram-introduce-recompress-sysfs-knob-fix
+++ a/drivers/block/zram/zram_drv.c
@@ -1623,9 +1623,7 @@ out:
*
* Corresponding ZRAM slot should be locked.
*/
-static int zram_recompress(struct zram *zram,
- u32 index,
- struct page *page,
+static int zram_recompress(struct zram *zram, u32 index, struct page *page,
int size_watermark)
{
unsigned long handle_prev;
@@ -1708,8 +1706,7 @@ static int zram_recompress(struct zram *
static ssize_t recompress_store(struct device *dev,
struct device_attribute *attr,
- const char *buf,
- size_t len)
+ const char *buf, size_t len)
{
struct zram *zram = dev_to_zram(dev);
unsigned long nr_pages = zram->disksize >> PAGE_SHIFT;
_
Patches currently in -mm which might be from senozhatsky@xxxxxxxxxxxx are
zram-preparation-for-multi-zcomp-support.patch
zram-add-recompression-algorithm-sysfs-knob.patch
zram-factor-out-wb-and-non-wb-zram-read-functions.patch
zram-introduce-recompress-sysfs-knob.patch
zram-introduce-recompress-sysfs-knob-fix.patch
documentation-add-recompression-documentation.patch
zram-add-recompression-algorithm-choice-to-kconfig.patch
zram-add-recompress-flag-to-read_block_state.patch
zram-correct-typos.patch
